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White Flash during rendering.

Started by The Lemurs Jan 10, 2001 at 12:35 PM 2 replies 500+ views

Original Post

Jan 10, 2001 at 12:35 PM

Hey, This problem (not really so bad just strange) has followed me through 2 games and 2 versions of DX. Both games were 2d space shooters so the screen was pretty much balck w/ a starfield. For some reason a short way into the game, the screen would briefly flash white. It only does it once, and it is always towards the beginning of the game, but the actual time between the start of rendering and the flash varies. I think it may be a flash of the window behind the primary surface. Not really a huge problem... just strange. Any ideas? We have assumed control... Edited by - The Lemurs on January 10, 2001 4:02:50 PM Edited by - The Lemurs on January 11, 2001 2:34:42 PM

cyberg

Jan 10, 2001 at 1:00 PM

hello, heum i get the same problem when loading data for my game. i think its because i dont process windows messages while loading. its a couple of seconds to load. just an idea!!!

cyberg

The Lemurs

Author

The Lemurs

Jan 10, 2001 at 2:11 PM

Thanks for your reply Cyberg,

It can''t be quite the same thing, when it happens to me the game is running so I assume all the data is loaded. But all the same it could be something to do with the Windows Message pump. I''m going to take a look into that when I get home.

Thanks again!

We have assumed control...

FrigidHelix

Jan 12, 2001 at 1:00 AM

I had a similar ''problem''. Each time I opened my app, there would be a brief white flash, then it would be drawn black.

In my case, I found that the problem was related to the brush specified when registering the window class. For example, I used to set a white brush, but now, I simply set "wc.hbrBackground" to NULL. This way, when the window is invalidated, Windows doesn''t try to paint it white.

Try setting your background brush to NULL, see if that helps.

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